Extinguishing Candles with Carbon Dioxide
Description: Carbon dioxide is poured down a trough of lit candles, putting them out.
Source: UW Card Catalog
Year: N/A Vol: N/A Page: N/A
Keywords: Fire extinguisher, Combustion, Flammability, Density, Carbon dioxide
Ratings: 
Hazard: Some
- Fire hazard
- Asphyxiation hazard
- Cryogenic burn hazard
Effectiveness: Excellent
- Deeply engaging results
- Spectacular or counterintuitive effects are seen by audience
- Deep connection from demo to course material
- Time to results is low
- High reliability
Difficulty: Medium
- Adding reagents in concert or timed manipulations
- Reactions or demos at non-standard lab conditions
- Sensitive to environment – air flow
- Careful manipulations required
- Prior practice recommended
Safety Precautions:
- Eye protection required
- Gloves required
- Cryogenic gloves recommended
- Perform in a well ventilated area
- ABC fire extinguisher on hand
- Use fire resistant surface
Class: Main Group Elements, Physical Properties, Gases, Groups IVB and VB (14 and 15)
Division: General, Inorganic Chemistry
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